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C40 Underwater Non-Disperse Grouting Material
Main business：Building, infrastructure, industrial, mining, marine engineering, military engineering, expressway, tunnel, bridge, concrete repair, installation of large-scale mechanical equipment, wind power equipment, foundation bolt fixing, etc. High-performance, early-strength, micro-expansion, self-compacting, large-flow leveling, rapid repair cement grouting material
- Commodity name： C40 Underwater Non-Disperse Grouting Material
- Description
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Specifications 25 kg/bag Model C50 Packaging material Three sheets and one film Mode of transportation Mother-and-child bag ton bag Shipping timeliness Consult a freight forwarder. Shelf life Six months FOB price 750 USD/ton MSDS There is Payment method Telegraphic Transfer Storage Absolutely no exposure to rain or moisture. Application scenarios Features: 1. Underwater structure repair 1. Anti-dispersal 2. Underwater Pile Foundation Defects 2. Self-leveling 3. Sealing of immersed tunnel sections 3. Self-compacting 4. Maintenance of water conservancy facilities 4. Ultra-fast strength development 5. Emergency rescue and repair 5. Pollution-free Product Overview
The underwater non-dispersing grouting material is developed in accordance with the GB/T50448-2015 standard and features water-resistant dispersion, self-leveling, and high strength. It is suitable for applications such as underwater foundation reinforcement, seepage control, and leak sealing.
Core Functional Features
1. Water-resistant dispersion: Cement loss < 5%, suspended solids ≤ 50 mg/L
2. Self-leveling: Initial flowability > 300 mm, retention value after 30 minutes ≥ 260 mm
3. High strength: 28-day compressive strength > 60 MPa, 1-day compressive strength ≥ 20 MPa
4. Strong adhesion: Adhesion strength to concrete substrates > 2.5 MPa
5. Waterproof and Corrosion-Resistant: Waterproof rating > P20; seawater corrosion resistance coefficient ≥ 0.90
Performance parameters
Category Class I Class II Class III Class IV Maximum aggregate size (mm) <4.75 Less than 4.75 and less than or equal to 25 Truncated cone flowability (mm) Initial value - ≥342 ≥355 ≥655 30min - ≥338 ≥350 ≥555 Flow cone flow time (s) Initial value ≤35 - - - 30min ≤50 - - - Vertical expansion rate (%) 3h 0.1~3.5 0.16 0.14 0.1~3.5 The difference between the 24-hour and 3-hour expansion values 0.03~0.06 0.03 0.06 0.03~0.06 Compressive strength (MPa) 1d ≥15 ≥30 ≥30 ≥40 3d ≥30 ≥50 ≥60 ≥70 28d ≥50 ≥65 ≥80 ≥90 Chloride ion content (%) <0.1 Water bleeding rate (%) 0 
Application scenarios
Underwater Foundation Reinforcement for Bridges/Wharves
Dam seepage prevention and leak sealing
Marine Engineering Structure Repair
Underwater Pipeline Crack Repair
Construction Process
1. Preparation: Clean the construction area and inspect the equipment.
2. Pulping: Water-to-material ratio of 1:0.12–0.15, stir for 3–5 minutes.
3. Infusion: Administer via catheter to prevent air from entering.
4. Curing: Natural curing for 24 hours; achieves design strength after 28 days.Factory Strength
Qualification
Message
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Tel: +86-510-88260993
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Email: chinese@cement-grout.com
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